how to set linux date and time in commands
how to set linux date and time in commands
For example, to change date to 14 Nov 2017 11:57:00, the command would be,
$ sudo date --set "14 Nov 2017 11:57:00"
Tue Nov 14 11:57:00 HKT 2017
how to set linux date and time in commands
For example, to change date to 14 Nov 2017 11:57:00, the command would be,
$ sudo date --set "14 Nov 2017 11:57:00"
Tue Nov 14 11:57:00 HKT 2017
I find one disk failed on my server which have several ones installed. I know the disk’s name in Linux (e.g. sda, sdb). However, the Linux disk name to SATA port mapping does not follow the same order. Now, I want to find out the failed disks. How to quickly find out them and which…
How to get a file’s size in C? If you have the file stream (FILE * f): fseek(f, 0, SEEK_END); // seek to end of file size = ftell(f); // get current file pointer fseek(f, 0, SEEK_SET); // seek back to beginning of file // proceed with allocating memory and reading the file Or, #include…
On CentOS 6.6, I find that it can make the screen (console, not X) blank after a while. However, it does not power the screen off. This usually work on Fedora or other releases. I guess this is caused by some configurations specific in CentOS 6.6. How to make CentOS 6.6 power off the console…
How tinstall aria2 on CentOS 7? aria2 is a great tool for downloading files from the Internet. The software package for aria2 is proved in EPEL. To install aria2, first, enable EPEL following instructions here. Then, install aria2 by # yum install aira2 Read more: How to install sshfs on CentOS 7? How to install…
How to get all the keys of an associative array in Bash? There are at least 2 ways to get the keys from an associative array of Bash. Let’s start with an example associative array: $ declare -A aa $ aa[“foo”]=bar $ aa[“a b”]=c We can use the @ special index to get all the…
How to display the network usage by processes like top for CPU/mem on Linux? The nethogs tool is my favorite: nethogs – Net top tool grouping bandwidth per process Read more: Multi-connection multi-part file downloading tools on Linux PDF annotation tools on Linux Good tools to manage OCaml packages How to config network in host…